Home / 156,905.82-235,458.97-57,056.51

Finding the Fourth Proportional to 156,905.82, 235,458.97 and 57,056.51

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Solution

The fourth proportional to 156,905.82, 235,458.97 and 57,056.51 is: 85,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.82 : 235,458.97 = 57,056.51 : x
  2. Step 2: Convert to fraction form
    156,905.82/235,458.97 = 57,056.51/x
  3. Step 3: Cross multiply
    156,905.82x = 235,458.97 × 57,056.51
  4. Step 4: Simplify right side
    156,905.82x = 13,434,467,522.40
  5. Step 5: Solve for x
    x = 13,434,467,522.40/156,905.82
  6. Step 6: Final answer
    x = 85,621.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.